Non-local Ponderomotive Nonlinearity in Plasmonic

Abstract

We analyze an inherent nonlinearity of Surface Plasmon Polaritons at the interface of Fermi-Dirac metal plasma, stemming from the depletion of electron density in high-field intensity regions. The derived optical nonlinear coefficients are comparable to the experimental values for metals. We calculate the dispersion relations for the nonlinear propagation of high-intensity Surface Plasmon Polaritons, predicting a nonlinear induced cutoff and vanishing group velocity.

References in corpus (2)

• Gap plasmon polariton structure for very efficient micro to nano scale interfacing
• Nonlinear plasmonic slot waveguides

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